* {
  padding: 0;
  margin: 0;
  list-style: none;
}
.xiehContent {
  width: 450px;
  height: 602px;
  border: 1px solid red;
  margin-left: 10px;
  margin-top: 10px;
}
.xiehContent > .box {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  position: relative;
}
.xiehContent > .box > .show {
  width: 450px;
  height: 450px;
  border: 1px solid chocolate;
  position: relative;
  cursor: none;
}
.xiehContent > .box > .show > .mask {
  width: 200px;
  height: 200px;
  position: absolute;
  top: 0px;
  left: 0px;
  background-color: rgba(255, 235, 59, 0.5);
  pointer-events: none;
  display: none;
}
.xiehContent > .box > .show > .mask.active {
  display: block;
}
.xiehContent > .box > .enlarge {
  width: 500px;
  height: 500px;
  border: 1px solid rebeccapurple;
  position: absolute;
  top: 0px;
  left: 105%;
  background-image: url(../img/iPhone12_big.jpg);
  background-size: 800px 800px;
  background-repeat: no-repeat;
  display: none;
}
.xiehContent > .box > .enlarge.active {
  display: block;
}
.xiehContent > .box > .list {
  width: 450px;
  height: 150px;
  border-top: 2px solid #333;
  box-sizing: border-box;
  padding: 20px 20px;
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
}
.xiehContent > .box > .list ul {
  white-space: nowrap;
}
.xiehContent > .box > .list ul li {
  width: 60px;
  height: 60px;
  display: inline-block;
  border: 1px solid grey;
  cursor: pointer;
}
.xiehContent > .box > .list ul li.active {
  border: 1px solid red;
}
.clearfix::after {
  content: "";
  display: block;
  clear: both;
}
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track {
  -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
  background-color: transparent;
  border-radius: 100px;
}
::-webkit-scrollbar-thumb {
  border-radius: 100px;
  -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
  background-color: #0D9FE3;
}
::-webkit-scrollbar-button {
  background-color: transparent;
}
::-webkit-scrollbar-corner {
  background: khaki;
}
